vi. 跳,弹跳;限制;接壤;
vt. 给…划界,限制;使弹回,使跳跃;束缚;
n. 界限,限制;跃起;(球等的)反跳;
adj. 用带子绑住的;有义务的;装订的,有封面的;[化,物]结合的;
bound(to bind)→装订好的;必定;决心的;被束缚的
🗣️ 情景例句
Yes, Charles Maxwell.
是的, 我是Charles Maxwell。
He operates the crane.
他在操纵起重机。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.